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authorRich Felker <dalias@aerifal.cx>2014-03-23 23:19:30 -0400
committerRich Felker <dalias@aerifal.cx>2014-03-23 23:19:30 -0400
commit98221c36119d2abfc55fe1d919705f625709fe3b (patch)
treee62fd785e11f0ead82d5b7a05f038d35109d2e8f /src/stdio/__stdio_write.c
parent30c1205acd73c8481ca34f0a41de1d41884d07b5 (diff)
downloadmusl-98221c36119d2abfc55fe1d919705f625709fe3b.tar.gz
reduce static linking overhead from TLS support by inlining mmap syscall
the external mmap function is heavy because it has to handle error reporting that the kernel cannot do, and has to do some locking for arcane race-condition-avoidance purposes. for allocating initial TLS, we do not need any of that; the raw syscall suffices. on i386, this change shaves off 13% of the size of .text for the empty program.
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